The heaters for the carbs aren't for when it's cold, carb icing can happen sometimes if the conditions are right even on cool morning etc.Out of interest, what would happen if the sensor was disconnected. Would it cause any harm if the bike wasn’t going to be run in colder weather.
its to do with air and the fuel cooling the carb which can cut the engine . people have fallen off and been hurt and even hit by cars because they have stalled it pulling out in to roads.
Id just leave it on and the heaters.
look up carb icing its nothing to do with winter riding.